Basin and Body of water

Basin noun - A bowl-shaped vessel; usually used for holding food or liquids.

Body of water and basin are semantically related in reservoir topic. In some cases you can use "Body of water" instead a noun "Basin", when it comes to topics like pool.

Body of water noun - The part of the earth's surface covered with water (such as a river or lake or ocean).

Basin and body of water are semantically related in reservoir topic. You can use "Basin" instead a noun phrase "Body of water", if it concerns topics such as pool.